Cosmo is a telepathic Russian space dog who serves as the Head of Security of Knowhere in the Marvel Comics universe. This character was created as a reference to Laika by Dan Abnett and Andy Lanning, and first appeared in Nova vol. 4 #7. Cosmo is the security chief of the space station Knowhere, and a member of the Guardians of the Galaxy. He has proven to be an invaluable ally to the Guardians of the Galaxy.